According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Zoho Mail EU (sender) is the email service provider (ESP) for 790 domains — 0.13% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Zoho Mail EU (sender) is the outbound email infrastructure offered by Zoho, an Indian software company, to European-based organisations and individuals using Zoho's mail platform. It forms part of Zoho's broader suite of business applications and handles the sending of email from Zoho Mail accounts.
In the landscape of email service providers, Zoho Mail EU occupies the smaller-site segment: its SPF records appear predominantly in the long tail of the Tranco top-1M website list rather than among global mega-brands. The infrastructure is geographically distributed across many top-level domains, predominantly .com, and is frequently encountered alongside general Zoho Mail services. For deliverability engineers and mailbox providers, this pattern reflects Zoho Mail EU as common in legitimate SME and mid-market sending but not dominant among the highest-traffic sender pools.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 1 | 0.1% |
| Top 10,000 | 3 | 0.4% |
| Top 100,000 | 50 | 6.3% |
| Top 1,000,000 | 531 | 67.2% |
| Unranked | 205 | 25.9% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 346 | 43.8% | |
| .net | 43 | 5.4% | |
| .org | 22 | 2.8% | |
| .gr | 22 | 2.8% | |
| .co.uk | 21 | 2.7% | |
| .ro | 19 | 2.4% | |
| .io | 18 | 2.3% | |
| .de | 17 | 2.2% | |
| .ai | 16 | 2.0% | |
| .com.ua | 12 | 1.5% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 790 domains.
| Type | Service | Domains | Share of Zoho Mail EU (sender) users |
|---|---|---|---|
| Mailbox | Zoho Mail (EU) | 708 | 89.6% |
| Mailbox | Google Workspace | 29 | 3.7% |
| Mailbox | Self-Hosted | 14 | 1.8% |
| Mailbox | Microsoft 365 | 14 | 1.8% |
| Mailbox | Zoho Mail | 7 | 0.9% |
| Mailbox | Unknown / Other | 4 | 0.5% |
| ESP | Amazon SES | 46 | 5.8% |
| ESP | Mailjet (Sinch) | 29 | 3.7% |
| ESP | Zoho Campaigns | 28 | 3.5% |
| ESP | Mailgun | 24 | 3.0% |
Zoho Mail EU in SPF records indicates senders are using Zoho's shared email infrastructure. Like all multi-tenant email services, Zoho Mail EU couples sender reputation: your outbound IPs and domains share pools with thousands of other customers. Mailbox providers cannot easily isolate your reputation from the aggregate health of the Zoho Mail EU infrastructure, so behaviour by neighbouring tenants and shared IP reputation directly affects your inbox placement.
See the full Zoho Mail EU (sender) data page (KPI cards, trend, sample domains) →
Test against it if your recipients commonly use Zoho Mail accounts. More importantly, if you send via Zoho Mail EU infrastructure, monitor the shared IP reputation, as behaviour of other tenants affects your inbox placement.
790 domains in the Tranco top-1M use Zoho Mail EU (sender) as their email service provider (ESP) as of July 13, 2026 (0.13% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Zoho Mail EU (sender) accounts for 0.13% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Zoho Mail EU (sender)'s largest TLD is .com (43.8% of its domains); it appears across 111 TLDs in total.